There has been something like this around for at least 30 years called the Lady J. Plastic though and used by women backpackers especially good for winter use so ones nethers don't get cold. Rinse it off, plastic bag and you're good to go.

By the way .. many women do sit but have a cleaning routine prior .. or papering, or both.

And that animation was hilarious

"I have not failed, I've just found ten thousand ways that won't work." – Thomas Edison

Well, it'll save on the queues outside lady's toilets, which has to be a good thing. Women's toilets seem to be one of those places i seem to end up waiting outside: mum, wife, daughter etc. There should be a website dedicated to what to do while standing and kicking your heels.